Hyundai Energy — South Korea

Green 435W D Plus

The Hyundai Energy Green 435W D Plus is a 435W PERC solar panel with 21.0% efficiency. Backed by a 30-year warranty.

Standard Tier

435W

Wattage

21%

Efficiency

PERC

Cell Type

30 years

Warranty

Full Specifications

Brand
Hyundai Energy
Model
Green 435W D Plus
Series
Green
Wattage
435W
Module Efficiency
21%
Cell Type
PERC
Dimensions
66-80" x 39-41"
Weight
49 lbs
Warranty
30 years
Est. Price Per Watt
$2.80
Est. 7kW System Cost
$19,600
Est. 10kW System Cost
$28,000
Temperature Coefficient
-0.35%/°C
Bifacial
No
Origin
South Korea
FEOC Status
check

Other Hyundai Energy Panels

ModelWattageEfficiencyCell$/W
HiISS 455W D455W21.7%PERC$3.01
HiISS Plus 455W D455W21.7%PERC$3.01
Green 455W D455W21.7%PERC$3.01
HiISS 450W C All-Black450W21.5%N-Type TOPCon$2.95
HiISS Plus 450W C All-Black450W21.5%N-Type TOPCon$2.95

Similar Wattage Panels (Competitors)

PanelWattageEfficiency$/W
Maxeon Maxeon 3 455W E Pro455W23.5%$4.72
Maxeon Maxeon 6 455W E Pro455W23.5%$4.72
Maxeon Maxeon 7 455W E Pro455W23.5%$4.72
Maxeon Maxeon Air 455W E Pro455W23.5%$4.72

Frequently Asked Questions

How much does a 435W Hyundai Energy Green 435W D Plus cost?
The Hyundai Energy Green 435W D Plus costs approximately $1218 per panel ($$2.80/W). A typical 7kW system using this panel would cost around $19,600 before incentives.

⚠ The 30% Federal Solar Tax Credit (48E/ITC) expired July 4, 2026.

Selecting 30% ITC assumes you began construction before this deadline. Most new purchases no longer qualify.Learn about your options after the deadline →

Is the Hyundai Energy Green 435W D Plus a good solar panel?
The Hyundai Energy Green 435W D Plus has 21% efficiency and a 30 years warranty, placing it in the standard tier. This is above-average efficiency, making it a strong choice.
How many Hyundai Energy Green 435W D Plus panels do I need?
For a typical 7kW residential system, you'd need approximately 17 panels. For a 10kW system, plan for about 23 panels. The exact number depends on your roof space, energy usage, and local sun hours.

Written & reviewed by

Jeremy Wolfe — Senior Solar Energy Analyst

Jeremy Wolfe is a solar energy analyst specializing in residential photovoltaic economics, federal and state incentive policy, and return-on-investment modeling for homeowners. He leads EnergyTools' solar research program and methodology.

  • 10+ years analyzing residential solar economics and payback modeling
  • Lead researcher for EnergyTools' 50-state solar cost-per-watt database
  • Author of 100+ solar ROI, payback, and incentive analyses

Methodology & data sources:NREL PVWatts, EPA FuelEconomy.gov, state utility commissions— updated 2026.